Tegimented case and Cartier Santos W20060D6 Mens Watch bracelet. The 856's case and bracelet have been hardened to about four times the normal hardness of stainless steel. If you're an engineer yourself, that's about 1,200 Vickers. I've worn the 856 several times, and literally there's not a single scratch on it. The case and bracelet are also sand blasted for a dull grayish look that I personally love. Water resistant to 20 bar (200 meters, or about 650 feet). Screwdown crown and caseback. Flat sapphire crystal. Date perfectly positioned just inside the 4 o'clock index. 40mm wide case, 10.7mm high. These dimensions work really well for people with smaller wrists who still want a big watch. Black matte dial. Luminescent hands and hour markers.At its heart, the Sinn 856 UTC is an aviation watch. The pilot style dial and hands (reminiscent of an analog dial in a cockpit), UTC feature, and anti-magnetic shielding make it a good choice for pilots who are looking for a beautiful, unique, and practical alternative to a Breitling Cartier Santos W20060D6 Mens Watch or the Rolex GMT Master II.
ETA 2893-2 mechanical movement. UTC (GMT) hand which you can use either to see the current 24-hour time, or to monitor a second time zone. Anti-magnetic shielding. The watch's movement is encased in an iron core which protects it from magnetism. Anti-humidity system. The 856 has a copper sulphate capsule built into the case at about the 7 o'clock position which absorbs any moisture that may find its way into the watch. Over time, the capsule turns bluish as it absorbs moisture, and should be replaced Cartier Santos W20060D6 Mens Watch about every five years (the normal maintenance interval for a mechanical watch).
